Pier_v1/verify/dump/abut-rebar-outside.dump.ts

// 교대 A1 3D 철근 중 콘크리트 밖으로 나간 부분을 찾는다: 철근 축을 ~100 mm 간격으로 찍어 콘크리트 메시(저판 · 벽체 · 흉벽 · 날개벽 ·
// 헌치 · 받침블럭) 중 하나라도 안에 드는지 광선 교차 수의 홀짝으로 본다. 결과 JSON = 철근 번호별 밖 점 수와 예.
import { mkdirSync, readFileSync, writeFileSync } from 'node:fs';
import { fileURLToPath } from 'node:url';
import * as THREE from 'three';
import * as XLSX from 'xlsx';
import { it } from 'vitest';
import { buildAbut } from '../../src/core/abut/geometry';
import { parseAbutments, toAbutInput } from '../../src/core/abut/parse';
import { buildMembers } from '../../src/core/abut/members';
import { buildWings } from '../../src/core/abut/wings';
import { resolveSlab } from '../../src/core/abut/slab';
import { abutFootingGeom, abutFootingRebar } from '../../src/core/abut/rebar/footing';
import { skewAngle } from '../../src/core/abut/rebar/skew-layout';
import { abutWallGeom, abutWallRebar } from '../../src/core/abut/rebar/wall';
import { abutParapetGeom, abutParapetRebar, slabSpanAt } from '../../src/core/abut/rebar/parapet';
import { abutWingGeom, abutWingRebar } from '../../src/core/abut/rebar/wing';
import { abutPlanOutline, abutSkewK, buildAbutGroup } from '../../src/view/abut-scene';
import { buildAbutRebar3D } from '../../src/view/abut-rebar3d';

it('dump 콘크리트 밖 철근', () => {
  const out = process.env.DUMP_OUT ?? fileURLToPath(new URL('./out', import.meta.url));
  mkdirSync(out, { recursive: true });
  const xlsx = fileURLToPath(new URL('../../../../RAG/운곡교P1입력.xlsx', import.meta.url));
  const rec = parseAbutments(XLSX.read(readFileSync(xlsx), { type: 'buffer' })).abutments[0];
  const model = buildAbut(toAbutInput(rec));
  const members = buildMembers(model, { bottomEl: rec.foundationBottomEl, pileLengthMm: rec.pileLengthMm });
  const wings = buildWings(model, members);
  const angle = skewAngle(rec.skewDeg);
  const fg = abutFootingGeom(model.length, members.shape, angle);
  const footing = abutFootingRebar(fg);
  const wg = abutWallGeom(model.length, members, angle);
  const wall = abutWallRebar(wg, footing);
  const slab = resolveSlab();
  const k = abutSkewK(model);
  const tM = (wg.xb / 1000 + members.shape.parapetBackM) / 2;
  const span = slabSpanAt(abutPlanOutline(model, members, wings, slab).slab, tM, k)!;
  const pg = abutParapetGeom(wg, members.shape, model.bearings[0].s, { B: model.wing!.slabWidthMm, a: span.a, b: span.b, nearT: members.shape.parapetBackM * 1000 - slab.parapetGapMm, chamferA: 300, chamferB: 300 });
  const para = abutParapetRebar(pg, wall);
  const wingR = wings.map((w) => abutWingRebar(abutWingGeom(model, members, w, footing.z.B68)));
  const rebar = buildAbutRebar3D(fg, footing, k, members.shape.footingBackM, members.footingBottomEl!, wall, para, wingR);
  const group = buildAbutGroup(model, members, wings);
  group.updateMatrixWorld(true);
  const solids: THREE.Mesh[] = [];
  group.traverse((o) => {
    if (o instanceof THREE.Mesh && !['ground', 'slab', 'blinding', 'piles'].some((n) => o.parent?.name === n || o.name === n)) solids.push(o);
  });
  const ray = new THREE.Raycaster();
  const inside = (p: THREE.Vector3) =>
    solids.some((m) => {
      ray.set(p, new THREE.Vector3(0.577, 0.577, 0.577));
      return ray.intersectObject(m, false).length % 2 === 1;
    });
  const res: Record<string, { out: number; total: number; ex: number[][] }> = {};
  for (const [name, meshes] of rebar.byName) {
    for (const mesh of meshes) {
      const geo = mesh.geometry as THREE.CylinderGeometry;
      geo.computeBoundingBox();
      // Cylinder axis: the two cap centres = bbox centre ± half length along its direction; sample the bbox diagonal's centre line instead.
      const pos = geo.getAttribute('position');
      const a = new THREE.Vector3(pos.getX(0), pos.getY(0), pos.getZ(0));
      const b = new THREE.Vector3(pos.getX(pos.count - 1), pos.getY(pos.count - 1), pos.getZ(pos.count - 1));
      const n = Math.max(2, Math.ceil(a.distanceTo(b) / 0.1));
      const r = (res[name] ??= { out: 0, total: 0, ex: [] });
      for (let i = 0; i <= n; i++) {
        const p = a.clone().lerp(b, i / n);
        r.total++;
        if (!inside(p)) {
          r.out++;
          if (r.ex.length < 3) r.ex.push([p.x, p.y, p.z].map((v) => Math.round(v * 1000) / 1000));
        }
      }
    }
  }
  writeFileSync(`${out}/outside.json`, JSON.stringify(Object.fromEntries(Object.entries(res).filter(([, v]) => v.out > 0)), null, 1));
});